NSN: 5930-00-109-2875

Technical Characteristics

• Mounting Method

  threaded bushing

• Criticality Code Justification

  feat

• Special Features

  weapon system essential

• Overall Width

  1.740 inches minimum and 1.760 inches maximum

• End Item Identification

  chelicopter, ch-53a/d/e, aircraft, ov-10a/h, helicopter, sof / hh-53h pave low, helicopter, super jolly h-53, engine, aircraft, t64-ge-3/7 (h-53b/c/h,hh-53b), helicopter, rh-53, helicopter, mh-53e

• Bushing Length

  0.474 inches minimum and 0.494 inches maximum

• Terminal Type And Quantity

  1 connector, receptacle

• Thread Quantity Per Inch

  12

• Case Material

  metal

• Thread Class

  3a

• Body Diameter

  1.812 inches maximum

• Maximum Voltage Rating In Volts

  28.0 dc

• Actuator Style

  round

• Actuator Diameter

  0.190 inches minimum and 0.191 inches maximum

• Switch Actuating Force

  64.0 ounces maximum

• Actuator Free Position Height

  0.739 inches nominal

• Body Style

  bushing mounted

• Inclosure Type

  hermetically sealed

• Hazardous Locations/environmental Protection

  dustproof

• Switch Release Force

  16.0 ounces minimum

• Thread Series Designator

  un

• Contact Load Current Rating At Maximum Rated Voltage

  3.000 amperes resistive dc

• Body Length

  0.600 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary single switch unit

• Overall Height

  1.740 inches minimum and 1.760 inches maximum

• Nominal Thread Size

  1.063 inches

• Actuator Movement

  0.015 pretravel inches maximum and 0.062 overtravel inches minimum and 0.010 differential inches maximum